[156] so that in proportion as the mind is more powerful and more efficacious than, and in short superior to, the hand, in the same proportion also do I look upon knowledge and wisdom as more admirable than encyclical accomplishment, and I honour them in a higher degree. Do thou, therefore, O thou who both art the mistress, and who art so accounted by me, take all my encyclical instruction and use it as thy handmaid, doing to it as it shall seem good to thee;